Serlo.org offers intuitive explanations, courses, videos, exercises and sample solutions. Students can use these to learn according to their needs and at their own pace. At the same time, serlo.org is completely free of charge and ad-free.
Serlo.org is made possible through authors, software developers and project managers that are inspired by our vision to make high quality education easily accessible to everyone. We are eager to offer students the opportunity to learn autonomously. Together we are building the Wikipedia for Learning.
Studying with serlo.org
The German version of serlo.org provides
840 explanatory entries
4,600 solved exercises
120 courses and videos
for math and other school subjects.
Over 700,000 students use serlo.org each month.
We are currently working on making English content available as well - stay tuned!
Serlo.org is based on an online community - a Wikipedia for learning. Our community members create, link, organize and translate all of our content.
Experienced members of the community review everything published on serlo.org and incorporate feedback to ensure the high quality of our content.
Join us now to make quality learning content available for everyone.
Interview with Serlo Education founder Simon
Winner of the OER Award 2016 in the categories "Best University Project" and "Biggest Impact".
Winner 2015 of "University, Future and You!" for Serlo's "Maths for non-Freaks"
THE RESPONSIBLE (Robert Bosch Foundation) to Serlo founder Simon Köhl
LMU Research Award for excellent students to Serlo co-founder Aeneas Rekkas for his work on the software of Serlo
Special Award of the Vision Summit 2013 to Serlo, given by the ERGO foundation „Youth & Future“
What makes Serlo Education special?
Serlo Education has a unique history. First established by secondary school students to make the world a better place, our organization now encompasses over 50 volunteers and professionals.
Serlo.org is completely free of charge and without any form of advertisement. All content is published under an open license. Everyone is allowed to copy, use, share and improve it.
Serlo Education is a charitable members organization. Important decisions are made together in the Serlo Education plenum. Therefore, we make decisions based on democratic processes. Serlo Education belongs to the community to ensure that decisions are always in line with our vision.
Serlo.org is completely free of charge, while we do not place any form of advertisement on our page. However, our software, web-server, and general administration and organization come at a cost.We cover our expenses as independently as possible, and try to ensure that every euro we spend has a lasting effect. The way Serlo Education obtains and spends money is described transparently in our annual financial reports available in German. You can support Serlo Education by donating or becoming a member.
Serlo.org is brought to you by an active online community and our team in Munich and Leipzig. All of us are passionate about our vision and eager to provide free education to everyone. Here you can find a list of our team members on the German serlo.org platform.